I only used the OleDatabaseAdapter at the tools box to connect to the MS Access database. I do not reference to any other files.
Do I need to do anything to generate the executable file without debugging option if I using the visual studio .NET version academy. I use the default setting of...
I use the VB .NET for create an application. It can in the visual studio .net no problem. Now, I want to take the executable file to run without opening visual studio .net.
I take the executable at the bin of that application and copy in root c: , but I always get the message...
I am using OleDbDataAdapter to generate DataSet, then I went to the properties of each listbox to do the DataBindings for the each of them (I try for the first four listboxes). Then save them, somehow, I do not see the data in my MS Access.
You can login into the yahoo brief under the...
It is me who posted the question. Since I use the tablet PC, so you can write on the combobox, even I already put a list of the number in the combobox, but if you type or using the pen to enter the information. The input will accept the characters.
still got error from ExecuteScalar
I follow your suggestion to change to ex.message. Then, I got the error:"SQL server does not exist or access denied". I do not use SQL server, I only use MS access to create the table Student.
Could you give me some hints how to fix it, please.
I have just learned from the link http://support.microsoft.com/kb/821765/EN-US/ to use the database with VB .NET
Then, I want to use the ExecuteScalar to verify the table Student in the link above as a reference table. For example, I can validate the SNo already existed or the SName is...
I use the OleDbDataAdapter->microsoft jet 4.0 OLE DB provider->use SQL statements-> Query Builder to select the columns in my table. But I have 150 columns, after select all columns option. I have the message:
"The data adapter cannot be configured for tables that have more than 100 columns."...
I have a sample code to access MYSQL by visual basic. How can I convert it to VB. NET.(I only have vb file not the project, I can not use the option file->open->convert in VB. NET).
Here is the code:
'CREATE CONNECTION OBJECT AND ASSIGN CONNECTION STRING
Dim conn As ADODB.Connection...